Uncategorized

  1. Earth

    Tales of the Undammed

    Although destroying dams is often presumed to restore rivers, the results of such action are actually mixed, according to recent studies.

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  2. Quite a Switch

    Cells use ribonucleic acids that bind to small molecules such as vitamins to control gene activity.

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  3. Humans

    From the March 31, 1934, issue

    A desert earthquake, producing bromine from seawater, and nerve damage from alcohol consumption.

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  4. Understanding Evolution

    Understanding Evolution is an extensive Web site designed to meet the needs of K–12 teachers presenting evolution in the classroom. Developed by the University of California Museum of Paleontology at Berkeley and the National Center for Science Education, the site provides an informal online course covering essential science content, as well as a searchable database […]

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  5. 19402

    When I was a teenager, I lived with a brown capuchin monkey.